Add request method based mapping

Closes #22

spring-web-reactive/src/test/java/org/springframework/reactive/web/dispatch/method/annotation/RequestMappingHandlerMappingTests.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright 2002-2015 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.reactive.web.dispatch.method.annotation;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.ByteBuffer;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Before;
+import org.junit.Test;
+import org.reactivestreams.Publisher;
+
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.reactive.web.http.ServerHttpRequest;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.context.support.StaticWebApplicationContext;
+import org.springframework.web.method.HandlerMethod;
+
+/**
+ * @author Sebastien Deleuze
+ */
+public class RequestMappingHandlerMappingTests {
+
+	private RequestMappingHandlerMapping mapping;
+
+	@Before
+	public void setup() {
+		StaticWebApplicationContext wac = new StaticWebApplicationContext();
+		wac.registerSingleton("handlerMapping", RequestMappingHandlerMapping.class);
+		wac.registerSingleton("controller", TestController.class);
+		wac.refresh();
+		this.mapping = (RequestMappingHandlerMapping)wac.getBean("handlerMapping");
+	}
+
+	@Test
+	public void path() throws NoSuchMethodException {
+		ServerHttpRequest request = new MockServerHttpRequest(HttpMethod.GET, "boo");
+		HandlerMethod handler = (HandlerMethod) this.mapping.getHandler(request);
+		assertEquals(TestController.class.getMethod("boo"), handler.getMethod());
+	}
+
+	@Test
+	public void method() throws NoSuchMethodException {
+		ServerHttpRequest request = new MockServerHttpRequest(HttpMethod.POST, "foo");
+		HandlerMethod handler = (HandlerMethod) this.mapping.getHandler(request);
+		assertEquals(TestController.class.getMethod("postFoo"), handler.getMethod());
+
+		request = new MockServerHttpRequest(HttpMethod.GET, "foo");
+		handler = (HandlerMethod) this.mapping.getHandler(request);
+		assertEquals(TestController.class.getMethod("getFoo"), handler.getMethod());
+
+		request = new MockServerHttpRequest(HttpMethod.PUT, "foo");
+		handler = (HandlerMethod) this.mapping.getHandler(request);
+		assertEquals(TestController.class.getMethod("foo"), handler.getMethod());
+	}
+
+
+	@Controller
+	@SuppressWarnings("unused")
+	private static class TestController {
+
+		@RequestMapping("foo")
+		public String foo() {
+			return "foo";
+		}
+
+		@RequestMapping(path = "foo", method = RequestMethod.POST)
+		public String postFoo() {
+			return "postFoo";
+		}
+
+		@RequestMapping(path = "foo", method = RequestMethod.GET)
+		public String getFoo() {
+			return "getFoo";
+		}
+
+		@RequestMapping("bar")
+		public String bar() {
+			return "bar";
+		}
+
+		@RequestMapping("boo")
+		public String boo() {
+			return "boo";
+		}
+
+	}
+
+	private static class MockServerHttpRequest implements ServerHttpRequest{
+
+		private HttpMethod method;
+
+		private URI uri;
+
+		public MockServerHttpRequest(HttpMethod method, String path) {
+			this.method = method;
+			try {
+				this.uri = new URI(path);
+			} catch (URISyntaxException ex) {
+				throw new IllegalStateException("Could not get URI: " + ex.getMessage(), ex);
+			}
+		}
+
+		@Override
+		public Publisher<ByteBuffer> getBody() {
+			return null;
+		}
+
+		@Override
+		public HttpMethod getMethod() {
+			return this.method;
+		}
+
+		@Override
+		public URI getURI() {
+			return this.uri;
+		}
+
+		@Override
+		public HttpHeaders getHeaders() {
+			return null;
+		}
+	}
+
+}